Home / 23,093.36-31,869.20-13,530.96

Finding the Fourth Proportional to 23,093.36, 31,869.20 and 13,530.96

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Solution

The fourth proportional to 23,093.36, 31,869.20 and 13,530.96 is: 18,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,093.36 : 31,869.20 = 13,530.96 : x
  2. Step 2: Convert to fraction form
    23,093.36/31,869.20 = 13,530.96/x
  3. Step 3: Cross multiply
    23,093.36x = 31,869.20 × 13,530.96
  4. Step 4: Simplify right side
    23,093.36x = 431,220,870.43
  5. Step 5: Solve for x
    x = 431,220,870.43/23,093.36
  6. Step 6: Final answer
    x = 18,672.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.